Lutein supports eye health for adults.** it is one of the most abundant carotenoids found in fruits, vegetables and even plants like marigolds. lutein also has antioxidant properties for adults.**lutein is an important nutrient that has recently been added to certain infant formulas. lutein is naturally found within breast milk, and women who are breastfeeding can supplement with lutein during this critical time period. take once daily for postnatal use.